/Engine/Source/Runtime/Renderer/Public/SystemTextures.h
Contains system textures which can be registered for read-only access on an RDG pass.
struct FRDGSystemTextures
FRDGTextureRef
Black
FRDGTextureRef
BlackAlphaOne
FRDGTextureRef
BlackArray
FRDGTextureRef
BlackDepthCube
FRDGTextureRef
CubeArrayBlack
FRDGTextureRef
CubeBlack
FRDGTextureRef
DefaultNormal8Bit
FRDGTextureRef
DepthDummy
FRDGTextureRef
Green
FRDGTextureRef
MaxFP16Depth
FRDGTextureRef
MidGrey
FRDGTextureRef
StencilDummy
FRDGTextureSRVR...
StencilDummySRV
FRDGTextureRef
VolumetricBlack
FRDGTextureRef
VolumetricBlackAlphaOne
FRDGTextureRef
VolumetricBlackUint
FRDGTextureRef
White